The End of the World: I Have an Infinite Grocery Store

The end of the world: My grocery store can stock unlimited supplies When the apocalypse came, Chen Ji guarded a grocery store with unlimited access to supplies, but due to his lack of precaution, he was robbed to death by greedy survivors. Before he died, he saw the piles of supplies in the house being wantonly destroyed, and regret gnawed at every inch of his flesh and blood! When he opened his eyes, he was reborn three days before the end of the world, and there was a grocery store upgrade system on his wrist! This time, he will never make the same mistake again! Reinforce doors and windows, turn the grocery store into a safe fortress with iron walls; stock up like crazy, including rice, flour, grain, oil, weapons and ammunition, medicines and equipment; gather people's hearts and form a well-disciplined apocalyptic self-defense force! Who dares to take advantage of his grocery store? Kill without mercy! I have the system and the supplies! Survival in the apocalypse? What I want is to build my own survival empire on top of the ruins!